diff options
Diffstat (limited to 'drivers/pci/controller/dwc/pcie-designware-ep.c')
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-designware-ep.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c index d87f7642d7f6..eeff7f1ff8f1 100644 --- a/drivers/pci/controller/dwc/pcie-designware-ep.c +++ b/drivers/pci/controller/dwc/pcie-designware-ep.c @@ -620,6 +620,22 @@ int dw_pcie_ep_raise_msix_irq(struct dw_pcie_ep *ep, u8 func_no, } /** + * dw_pcie_ep_cleanup - Cleanup DWC EP resources after fundamental reset + * @ep: DWC EP device + * + * Cleans up the DWC EP specific resources like eDMA etc... after fundamental + * reset like PERST#. Note that this API is only applicable for drivers + * supporting PERST# or any other methods of fundamental reset. + */ +void dw_pcie_ep_cleanup(struct dw_pcie_ep *ep) +{ + struct dw_pcie *pci = to_dw_pcie_from_ep(ep); + + dw_pcie_edma_remove(pci); +} +EXPORT_SYMBOL_GPL(dw_pcie_ep_cleanup); + +/** * dw_pcie_ep_deinit - Deinitialize the endpoint device * @ep: DWC EP device * @@ -628,10 +644,9 @@ int dw_pcie_ep_raise_msix_irq(struct dw_pcie_ep *ep, u8 func_no, */ void dw_pcie_ep_deinit(struct dw_pcie_ep *ep) { - struct dw_pcie *pci = to_dw_pcie_from_ep(ep); struct pci_epc *epc = ep->epc; - dw_pcie_edma_remove(pci); + dw_pcie_ep_cleanup(ep); pci_epc_mem_free_addr(epc, ep->msi_mem_phys, ep->msi_mem, epc->mem->window.page_size); |